RosettaCodeData/Task/FizzBuzz/Haskell/fizzbuzz-3.hs

15 lines
313 B
Haskell

main = mapM_ (putStrLn . fizzbuzz) [1..100]
fizzbuzz n =
show n <|> [fizz| n `mod` 3 == 0] ++
[buzz| n `mod` 5 == 0]
-- A simple default choice operator.
-- Defaults if both fizz and buzz fail, concats if any succeed.
infixr 0 <|>
d <|> [] = d
_ <|> x = concat x
fizz = "Fizz"
buzz = "Buzz"